(a) Schematic representation gCD-ssDNA1 and rCD-ssDNA2. (b) Various endocytic pathways for intracellular delivery of CDs. (c, d) Cellular internalization studies of gCD and rCD. MCF-7 cells were pre-incubated with inhibitors reconstituted in culture medium having inhibitors sodium azide (NaN3) and 2-deoxyglucose (DOG), chlorpromazine (CPM), nystatin, dynasore hydrate, and Methyl-β-cyclodextrin (MβCD), respectively. Cells were post incubated with CDs for 48h before performing MTT assay.